Puzzle



FIG. 1 is a top plan view of a puzzle showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a cross-sectional view thereof, taken along line 6--6 in FIG. 4. 

The ornamental design for a puzzle, as shown and described. 